# NAG AD LibraryF08 (Lapackeig)Least Squares and Eigenvalue Problems (LAPACK)

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F08 (Lapackeig) Chapter Introduction (FL Interface) – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
Performs a $QR$ factorization of real general rectangular matrix
Performs a $LQ$ factorization of real general rectangular matrix